/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import gestionnaires.GestionnaireUtilisateurs;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import modeles.Panier;
import modeles.Utilisateur;


@WebServlet(name="Connexion", urlPatterns={"/Connexion"})
public class Connexion extends HttpServlet {
    @EJB  
    private GestionnaireUtilisateurs gestionnaireUtilisateurs;
       
    
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
        
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String action = request.getParameter("action");
        String email = request.getParameter("email");
        String password = request.getParameter("password");
        HttpSession session = request.getSession(true);
   
        Utilisateur utilisateur =  null;
        PrintWriter out = response.getWriter();    
        
        if (action == null) {
            session.setAttribute("UserIsConnected", false);
            RequestDispatcher dp = request.getRequestDispatcher("home.jsp");
            dp.forward(request, response);
            
        } else if(action.equals("connexion")){
            if((utilisateur = gestionnaireUtilisateurs.getUserByEmail(email)) == null){
                session.setAttribute("UserIsConnected", false);
                out.write("false");
                out.flush();
                out.close();
               
            } else if(!utilisateur.getPassword().equals(password)){
                session.setAttribute("UserIsConnected", false);
                out.write("false");
                out.flush();
                out.close();
                
            } else {
                session.setAttribute("UserId", utilisateur.getId());
                session.setAttribute("Customer", utilisateur);
                session.setAttribute("UserIsConnected", true);
                session.setAttribute("monPanier", new Panier());
                RequestDispatcher dp = request.getRequestDispatcher("gauche.jsp");
                dp.forward(request, response);
            }
        }
        else if(action.equals("deConnexion")){
            session.removeAttribute("UserId");
            session.setAttribute("UserIsConnected", false);
            session.removeAttribute("monPanier");
            RequestDispatcher dp = request.getRequestDispatcher("home.jsp");
            dp.forward(request, response);
        } else {
            session.setAttribute("UserIsConnected", false);
            RequestDispatcher dp = request.getRequestDispatcher("home.jsp");
            dp.forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
